TaskUnifier Pro: For Windows, Linux and Mac

TaskUnifier 4 is a free and open source desktop application for Windows, Linux and Mac that allows you to manage your tasks based on the GTD method.

TaskUnifier 4 Pro is a paid upgrade for TaskUnifier which unlocks the full power of TaskUnifier by allowing you to synchronize your tasks with Toodledo or via a shared folder and much more. You can try the pro features for free by requesting a trial license directly in TaskUnifier.